Grill brush



FIG. 1 is a front side perspective view of a grill brush in accordancewith the present design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown are included for the purpose of illustrating aportion of the grill brush that forms no part of the claimed design.

The stippling in the drawings is for shading purposes only.

The ornamental design for a grill brush, as shown and described.